Multi-Band Near-Unity Absorption and Near-Zero Reflection of Optical Field in Metal-Dielectric-Metal Hybrid Crystals

Liu, Guiqiong; Liu, Zheng-Qi; Chen, Yuan-Hao; Cai, Zhengjie; Hu, Yupu; Zhang, Xiang-Nan; Huang, Kaixuan

doi:10.1166/sam.2014.1878

Cited by 12 publications

(11 citation statements)

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“…Metal nanoparticles [12][13][14][15][16][17] also show novel optical properties which strongly depend on their shapes, sizes, and compositions as well as the dielectric environments. Based on the theory of hybridized plasmon modes [18], complex nanostructures consisting of multilayer particles were also studied, including the most famous shell-core structures [19][20][21][22] and metal-dielectric-metal nanoparticles [20,[23][24][25]. In these complex nanostructures, subradiant modes, which cannot be directly excited by incident light, can be obtained via the coupling interaction of parent plasmons.…”

Section: Introductionmentioning

confidence: 99%

Subradiant, Superradiant Plasmon Modes and Fano Resonance in a Multilayer Nanocylinder Array Standing on a Thin Metal Film

Cai

Liu

et al. 2015

Plasmonics

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The optical properties of a novel nanostructure consisting of a hexagonal array of aligned vertically threelayered metal-dielectric-metal nanodisks on a silver film are theoretically studied through the finite-difference time-domain method. The novel nanostructure exhibits three obvious optical transmission bands due to the excitation of subradiant plasmon modes, superradiant plasmon modes, and Fano resonances. Surface plasmon polaritons of the underlying Ag film also play a significant role on these three optical transmission bands via coupling with localized surface plasmons of nanodisk pairs. Moreover, the nanostructure also exhibits a good tunability of optical response by modifying the sizes of cylinders, the thickness of underlying metal film, and the dielectric constant of middle layer. These results demonstrate the nanostructure with great advantages in optical sensors and filters.

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Section: Introductionmentioning

confidence: 99%

Subradiant, Superradiant Plasmon Modes and Fano Resonance in a Multilayer Nanocylinder Array Standing on a Thin Metal Film

Cai

Liu

et al. 2015

Plasmonics

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“…In order to achieve a low reflectivity, the usage of metallic nanoparticles on a thin dielectric film [225][226][227][228][229][230][231], metal-dielectric-metal hybrid microstructure [232] is reported. Sun et al prepared an ARC composed of nanostructured Ag and silica coatings [233].…”

Section: Compositesmentioning

confidence: 99%

Anti-Reflective Coating Materials: A Holistic Review from PV Perspective

Natarajan

Pugazhendhi

Elavarasan³

et al. 2020

Energies

151

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The solar photovoltaic (PV) cell is a prominent energy harvesting device that reduces the strain in the conventional energy generation approach and endorses the prospectiveness of renewable energy. Thus, the exploration in this ever-green field is worth the effort. From the power conversion efficiency standpoint of view, PVs are consistently improving, and when analyzing the potential areas that can be advanced, more and more exciting challenges are encountered. One such crucial challenge is to increase the photon availability for PV conversion. This challenge is solved using two ways. First, by suppressing the reflection at the interface of the solar cell, and the other way is to enhance the optical pathlength inside the cell for adequate absorption of the photons. Our review addresses this challenge by emphasizing the various strategies that aid in trapping the light in the solar cells. These strategies include the usage of antireflection coatings (ARCs) and light-trapping structures. The primary focus of this study is to review the ARCs from a PV application perspective based on various materials, and it highlights the development of ARCs from more than the past three decades covering the structure, fabrication techniques, optical performance, features, and research potential of ARCs reported. More importantly, various ARCs researched with different classes of PV cells, and their impact on its efficiency is given a special attention. To enhance the optical pathlength, and thus the absorption in solar PV devices, an insight about the advanced light-trapping techniques that deals with the concept of plasmonics, spectral modification, and other prevailing innovative light-trapping structures approaching the Yablonovitch limit is discussed. An extensive collection of information is presented as tables under each core review section. Further, we take a step forward to brief the effects of ageing on ARCs and their influence on the device performance. Finally, we summarize the review of ARCs on the basis of structures, materials, optical performance, multifunctionality, stability, and cost-effectiveness along with a master table comparing the selected high-performance ARCs with perfect AR coatings. Also, from the discussed significant challenges faced by ARCs and future outlook; this work directs the researchers to identify the area of expertise where further research analysis is needed in near future.

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“…For example, polarization-independent infrared perfect absorber was achieved based on a well structured MDM elliptical nanodisk array [33]. In our previous work, multispectral broadband light absorption with polarization-independent has also been demonstrated in the high-symmetry plasmonicphotonic crystals or the absolutely disordered metallic nanostructures [7,8]. For these absorbers, the polarization-independent spectral response would contribute to the light absorption and harvesting [34,35].…”

Section: Introductionmentioning

confidence: 97%

“…Upon the excitation of surface plasmon resonances, the local electric fields around these metallic nanostructures could be greatly enhanced, which are attractive for numerous applications such as surface-enhanced spectroscopies including the enhanced Raman scattering [2,3], light absorption spectroscopy [4][5][6][7][8], as well as for photovoltaics [9] and thermal emitting [10]. It is well-known of all that the metallic nanostructures are with high manipulation capability of the light based on their plasmon coupling with the incident optical field.…”

Section: Introductionmentioning

confidence: 99%

Polarization-Induced Tunability of Plasmonic Light Absorption in Arrays of Sub-Wavelength Elliptical Disks

Liu

Wang

et al. 2015

Plasmonics

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Polarization-independent plasmonic light absorbers have been widely investigated in the past decades. Nevertheless, the feasibility for artificial manipulation of the optical properties by controlling the polarization state is desirable for numerous applications including the coloring, displaying, filtering, etc. Here, we present a straightforward method to achieve tunable multiple narrowband light absorption by using the polarization-dependent plasmonic cavity resonances in a common metal-dielectric-metal structure consisting of an elliptical disk array. Multiple light absorption bands with the maximal absorption of 98 % are achieved. Moreover, by controlling the illumination polarization state, artificial spectral modulation depth of these light absorption bands can be up to 90 % based on this structure platform. In addition, since this multispectral polarization-manipulated absorber is realized in such a common sub-wavelength plasmonic structure, it will open up a simple and universal approach for multispectral nanophotonic devices including the high-compact polychromatic color filtering, imaging, and detecting.

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Multi-Band Near-Unity Absorption and Near-Zero Reflection of Optical Field in Metal-Dielectric-Metal Hybrid Crystals

Cited by 12 publications

References 0 publications

Subradiant, Superradiant Plasmon Modes and Fano Resonance in a Multilayer Nanocylinder Array Standing on a Thin Metal Film

Subradiant, Superradiant Plasmon Modes and Fano Resonance in a Multilayer Nanocylinder Array Standing on a Thin Metal Film

Anti-Reflective Coating Materials: A Holistic Review from PV Perspective

Polarization-Induced Tunability of Plasmonic Light Absorption in Arrays of Sub-Wavelength Elliptical Disks

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